MT
Mary Tierney — 1930 US Census Record
Linked across censuses1930 United States Federal Census · None, None
Our Model Tree links this Mary Tierney across the 1920 and 1930 US Censuses (XGBoost, ~Confirmed) — first a daughter (b.~1909), then head of a 7-person household.
Age 21
b. ~1909
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | None, None |
| Surname | Tierney |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Operator |
| Industry | Telephone Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Operator |
| Est. Birth Year | ~1909 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Bella Tierney | Spouse | — | 49 | ~1881 |
| Marcella Tierney | Daughter | — | 16 | ~1914 |
| Mary Tierney | Daughter | — | 21 | ~1909 |
| Arthur Tierney | Son | — | 15 | ~1915 |
| Frank Tierney | Head | — | 50 | ~1880 |
| Elizabeth Tierney | Daughter | — | 18 | ~1912 |
| Frank Tierney | Son | — | 22 | ~1908 |
Census Appearances
1920
None, None
Daughter, age 10
None, None · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tierney |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
None, None
Daughter, age 21
None, None · implied b. ~1909 — 7 household members
| Surname | Tierney |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Operator |
| Industry | Telephone Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Mary Tierney across 2 US Census years (1920 and 1930) in None, None, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Tierney
Daughter · 1930 · age 21 · b. ~1909 · None
★ You are viewing this record
Sibling
Elizabeth Tierney
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marcella Tierney
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Tierney
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Tierney
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — None, None
Open full size
1930 US Federal Census — None, None
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2137:1052)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Isaac J Watson | 42 | Head | — | Pennsylvania |
| 52 | Elizabeth Watson | 42 | Wife | — | Pennsylvania |
| 53 | Isaac J Jr Watson | 12 | Son | — | Pennsylvania |
| 54 | William Watson | 5 | Son | — | Pennsylvania |
| 55 | William Healey | 58 | Head | Mover | Irish Free State |
| 56 | Mary Healey | 48 | Wife | — | Pennsylvania |
| 57 | Margaret Healey | 12 | Daughter | — | Pennsylvania |
| 58 | Frank Tierney | 50 | Head | Machinist | Pennsylvania |
| 59 | Bella May Tierney | 49 | Wife | — | Pennsylvania |
| 60 | Frank J Tierney | 22 | Son | Baby Sitter | Pennsylvania |
| 61 | Mary Tierney THIS PERSON | 21 | Daughter | Operator | Pennsylvania |
| 62 | Elizabeth Tierney | 18 | Daughter | — | Pennsylvania |
| 63 | Marcella Tierney | 16 | Daughter | Printer | Pennsylvania |
| 64 | Arthur Tierney | 15 | Son | — | Pennsylvania |
| 65 | William Taffany | 50 | Head | Salesman | Pennsylvania |
| 66 | Catherine Taffany | 49 | Wife | — | Irish Free State |
| 67 | Margaret Taffany | 17 | Daughter | — | Pennsylvania |
| 68 | Frank Wallace | 52 | Head | — | Irish Free State |
| 69 | James Wallace | 23 | Son | Mechanic | Pennsylvania |
| 70 | Anthony Wallace | 19 | Son | Salesman | Pennsylvania |
| 71 | William Rundlett | 63 | Boarder | Laborer | Pennsylvania |
| 72 | Martha Kerr | 50 | Head | — | England |
| 73 | Fred Kerr | 26 | Son | — | Pennsylvania |
| 74 | Campbell Kerr | 24 | Son | Ice Man | Pennsylvania |
| 75 | Fred Kerr | 20 | Son | Presser | Pennsylvania |
| 76 | William Kerr | 18 | Son | — | Pennsylvania |
| 77 | Patrick Flaherty | 40 | Head | Laborer | Scotland |
| 78 | Martha Flaherty | 40 | Wife | — | Scotland |
| 79 | Patrick Flaherty | 16 | Son | Cutter | Pennsylvania |
| 80 | Edward Flaherty | 14 | Son | — | Pennsylvania |
| 81 | Charles Flaherty | 13 | Son | — | Pennsylvania |
| 82 | Anthony Flaherty | 11 | Son | — | Pennsylvania |
| 83 | James Flaherty | 8 | Son | — | Pennsylvania |
| 84 | Mary Flaherty | 4 | Daughter | — | Pennsylvania |
| 85 | Andrew Flaherty | 2 | Son | — | Pennsylvania |
| 86 | Robert Shendan | 55 | Head | Clerk | Pennsylvania |
| 87 | Rose Shendan | 26 | Wife | — | Pennsylvania |
| 88 | Kathryn Shendan | 2 | Daughter | — | Pennsylvania |
| 89 | George Stillman | 34 | Head | Retail Dealer | Pennsylvania |
| 90 | Mary Stillman | 34 | Wife | — | Irish Free State |
| 91 | Mary Stillman | 14 | Daughter | — | Pennsylvania |
| 92 | Catherine Stillman | 11 | Daughter | — | Pennsylvania |
| 93 | George Stillman | 6 | Son | — | Pennsylvania |
| 94 | Edward Stillman | 4 | Son | — | Pennsylvania |
| 95 | Helen Dougherty | 53 | Sister-in-law | — | Irish Free State |
| 96 | Mary Dougherty | 50 | Sister-in-law | Matron | Irish Free State |
| 97 | Cecelia Dougherty | 29 | Sister-in-law | — | Pennsylvania |
| 98 | Jesse L Morris | 34 | Head | Conductor | Pennsylvania |
| 99 | Rose E Morris | 34 | Wife | — | Pennsylvania |
| 100 | Raymond Morris | 12 | Son | — | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)